Photographic studies of coral reefs are being stitched together, piece by piece, using a 3D technology called photogrammetry.
Scientists Stuart Sandin and Jennifer Smith at the Scripps Institution of Oceanography in San Diego are mapping 100 coral reefs around the planet. The effort could help save reefs that are threatened by climate change, and help us learn more about the coral's overall health.
Check out the rest of our videos: https://goo.gl/A8gZvx
Quartz is a digitally native news outlet dedicated to telling stories at the intersection of the important and the interesting. Visit us at https://qz.com/ to read more.